| T 4 | Merthyr Tydfil to Brecon | Only this direction, Sun (1 trip) | Stagecoach Wales | | T 4 | Cardiff to Merthyr Tydfil | Only this direction, Mon to Fri (12 trips) Sat (every 60 mins) Sun (4 trips) | Stagecoach Wales | | T 4 | Merthyr Tydfil to Cardiff | Only this direction, Mon to Fri (10 trips) Sat (9 trips) Sun (4 trips) | Stagecoach Wales | | T 4 | Cardiff to Dowlais Top | Only this direction, Sun (3 trips) | Stagecoach Wales | | T 4 | Dowlais Top to Cardiff | Only this direction, Mon to Sat (1 trip) Sun (2 trips) | Stagecoach Wales | | T 4 | Brecon to Cardiff | Only this direction, Mon to Sun (1 trip) | Stagecoach Wales | | T 4 | Brecon (Interchange) to Newtown | Mon to Sat (2 trips) Sun (1 trip) | Stagecoach Wales | | T 4 | Brecon (Interchange) to Newtown | Only this direction, Mon to Fri (1 trip) | Stagecoach Wales | | T 4 | Cardiff to Llandrindod Wells | Only this direction, Sun (1 trip) | Stagecoach Wales | | T 4 | Newtown to Merthyr Tydfil | Only this direction, Mon to Sat (1 trip) | Stagecoach Wales | | T 4 | Llandrindod Wells to Cardiff | Only this direction, Sun (1 trip) | Stagecoach Wales | | T 4 | Newtown to Merthyr Tydfil | Only this direction, Mon to Fri (1 trip) | Stagecoach Wales | | T 4 | Cardiff to Crossgates | Only this direction, Mon to Sat (1 trip) | Stagecoach Wales | | T 4 | Crossgates to Cardiff | Early Mornings, this way only, Mon to Sat (1 trip) | Stagecoach Wales | | T 4 | Cardiff to Newtown | Only this direction, Mon to Sat (1 trip) Sun (3 trips) | Stagecoach Wales | | T 4 | Newtown to Cardiff | Only this direction, Mon to Sat (1 trip) Sun (3 trips) | Stagecoach Wales | | T 4 | Newtown to Cardiff | Only this direction, Mon to Sat (4 trips) | Stagecoach Wales |